/*.wrap-main{
	position: relative;
	margin:40px auto 0;
	/*background: red;*
	min-height: 750px;
	box-sizing: border-box;
	}
	*/
.help_aside{
	position: fixed;
	top:125px;
    width: 224px;
    padding-top: 12px;
    background-color: #f8fafc;
	}
	
.help_main{
	margin-top: 65px;
	margin-left:285px;
	/*background: #ccc;*/
	}

.hd{
	margin: 0 25px;
    padding: 17px 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 24px;
	}
.tree_list {
	list-style: none;
	padding:0;
	margin: 0;
}
.tree_list li a{
	font-size: 16px;
	color:#000;
	text-decoration: none;
	display: block;
    position: relative;
    padding: 0 0 0 50px;
    height: 40px;
    line-height: 40px;
    transition: background-color .3s ease;
	}
	
.tree_list li a:hover{
	color:#fff;
	background: #55b929;
	}
	
.help_main_top{
	line-height: 28px;
    font-size: 14px;
    color: #93999f;
	}
	
.help_main_top span{
	color:#000;
	}

hr{
	margin:15px 0 0 0 ;
	width:800px;
	}

.help_main_detail{
	margin: 40px  0 28px;
    padding: 0 24px 28px;
    line-height: 28px;
	}

.help_main_details{
	font-size: 14px;
	color:#000;
	width:750px;
}

h2{
	font-size: 18px;
}
